rhadamanthys | 4c6587ccf02e86315a81ae5c1abbdb447993f381ee8e54a736761cd0a996e3c9

General

Target

4c6587ccf02e86315a81ae5c1abbdb447993f381ee8e54a736761cd0a996e3c9.exe
Size

312KB
MD5

ce72b20d96d366402975c49b27094123
SHA1

02c65585edaae3ebc8528eb4ff83d5a2e5fd9783
SHA256

4c6587ccf02e86315a81ae5c1abbdb447993f381ee8e54a736761cd0a996e3c9
SHA512

7b9a4d3ba1059623682483fe7676e40ceffec9315fed78598060ae33c7cd6c591c2d3320dd2ae672b913f434c45cdb01195199478b8299edcd222cf6a704da79
SSDEEP

3072:e4wBlxFRGw58XqudMxI+Otg4UswfChY4GSSzZWlXY5R1pkPpaeuxvrm2H75brsAP:klxeLquFtKwQ1We6aBVJ75vh7dik

Score

10^/10

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 4 IoCs

resource	yara_rule
behavioral1/memory/4696-138-0x0000000000790000-0x00000000007AC000-memory.dmp	family_rhadamanthys
behavioral1/memory/4696-140-0x0000000000790000-0x00000000007AC000-memory.dmp	family_rhadamanthys
behavioral1/memory/4696-143-0x0000000000790000-0x00000000007AC000-memory.dmp	family_rhadamanthys
behavioral1/memory/4696-151-0x0000000000790000-0x00000000007AC000-memory.dmp	family_rhadamanthys

Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
stealer rhadamanthys

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	dllhost.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
4696	4c6587ccf02e86315a81ae5c1abbdb447993f381ee8e54a736761cd0a996e3c9.exe
4696	4c6587ccf02e86315a81ae5c1abbdb447993f381ee8e54a736761cd0a996e3c9.exe
4696	4c6587ccf02e86315a81ae5c1abbdb447993f381ee8e54a736761cd0a996e3c9.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1056	4696	WerFault.exe	83

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	dllhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dllhost.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4696	4c6587ccf02e86315a81ae5c1abbdb447993f381ee8e54a736761cd0a996e3c9.exe
4696	4c6587ccf02e86315a81ae5c1abbdb447993f381ee8e54a736761cd0a996e3c9.exe
864	dllhost.exe
864	dllhost.exe
864	dllhost.exe
864	dllhost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 864	4696	4c6587ccf02e86315a81ae5c1abbdb447993f381ee8e54a736761cd0a996e3c9.exe	90
PID 4696 wrote to memory of 864	4696	4c6587ccf02e86315a81ae5c1abbdb447993f381ee8e54a736761cd0a996e3c9.exe	90
PID 4696 wrote to memory of 864	4696	4c6587ccf02e86315a81ae5c1abbdb447993f381ee8e54a736761cd0a996e3c9.exe	90
PID 4696 wrote to memory of 864	4696	4c6587ccf02e86315a81ae5c1abbdb447993f381ee8e54a736761cd0a996e3c9.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	dllhost.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	dllhost.exe

C:\Users\Admin\AppData\Local\Temp\4c6587ccf02e86315a81ae5c1abbdb447993f381ee8e54a736761cd0a996e3c9.exe
"C:\Users\Admin\AppData\Local\Temp\4c6587ccf02e86315a81ae5c1abbdb447993f381ee8e54a736761cd0a996e3c9.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4696
- C:\Windows\system32\dllhost.exe
  "C:\Windows\system32\dllhost.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - outlook_office_path
  - outlook_win_path
  PID:864
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4696 -s 708
  2⤵
  - Program crash
  PID:1056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4696 -ip 4696
1⤵
PID:4344

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/864-149-0x00007FF4A9D50000-0x00007FF4A9E4A000-memory.dmp

Filesize
1000KB

Download
memory/864-147-0x00007FF4A9D50000-0x00007FF4A9E4A000-memory.dmp

Filesize
1000KB

Download
memory/864-154-0x00007FF4A9D50000-0x00007FF4A9E4A000-memory.dmp

Filesize
1000KB

Download
memory/864-153-0x00007FF4A9D50000-0x00007FF4A9E4A000-memory.dmp

Filesize
1000KB

Download
memory/864-152-0x00007FF4A9D50000-0x00007FF4A9E4A000-memory.dmp

Filesize
1000KB

Download
memory/864-146-0x0000016DA32F0000-0x0000016DA32F7000-memory.dmp

Filesize
28KB

Download
memory/864-148-0x00007FF4A9D50000-0x00007FF4A9E4A000-memory.dmp

Filesize
1000KB

Download
memory/864-144-0x0000016DA32A0000-0x0000016DA32A1000-memory.dmp

Filesize
4KB

Download
memory/4696-142-0x00000000024A0000-0x00000000034A0000-memory.dmp

Filesize
16.0MB

Download
memory/4696-135-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/4696-145-0x0000000002280000-0x0000000002282000-memory.dmp

Filesize
8KB

Download
memory/4696-143-0x0000000000790000-0x00000000007AC000-memory.dmp

Filesize
112KB

Download
memory/4696-134-0x0000000000750000-0x000000000077E000-memory.dmp

Filesize
184KB

Download
memory/4696-150-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/4696-151-0x0000000000790000-0x00000000007AC000-memory.dmp

Filesize
112KB

Download
memory/4696-141-0x00000000007B0000-0x00000000007CA000-memory.dmp

Filesize
104KB

Download
memory/4696-140-0x0000000000790000-0x00000000007AC000-memory.dmp

Filesize
112KB

Download
memory/4696-138-0x0000000000790000-0x00000000007AC000-memory.dmp

Filesize
112KB

Download

Analysis

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